%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2003-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% Purpose: Test suite of the agent mib-server.
%%----------------------------------------------------------------------
-module(snmp_agent_mibs_test).
%%----------------------------------------------------------------------
%% Include files
%%----------------------------------------------------------------------
-include_lib("test_server/include/test_server.hrl").
-include("snmp_test_lib.hrl").
-include_lib("snmp/include/snmp_types.hrl").
-include_lib("snmp/include/SNMP-COMMUNITY-MIB.hrl").
-include_lib("snmp/include/SNMP-VIEW-BASED-ACM-MIB.hrl").
-include_lib("snmp/include/SNMP-USER-BASED-SM-MIB.hrl").
-include("snmp_test_data/Test2.hrl").
%%----------------------------------------------------------------------
%% External exports
%%----------------------------------------------------------------------
-export([
all/0,
groups/0,
init_per_suite/1,
end_per_suite/1,
init_per_group/2,
end_per_group/2,
init_per_testcase/2,
end_per_testcase/2,
start_and_stop/1,
size_check_ets1/1,
size_check_ets2/1,
size_check_ets3/1,
size_check_dets/1,
size_check_mnesia/1,
load_unload/1,
me_lookup/1,
which_mib/1,
cache_test/1
]).
%%----------------------------------------------------------------------
%% Internal exports
%%----------------------------------------------------------------------
%%----------------------------------------------------------------------
%% Macros
%%----------------------------------------------------------------------
%%----------------------------------------------------------------------
%% Records
%%----------------------------------------------------------------------
%%======================================================================
%% External functions
%%======================================================================
init_per_testcase(size_check_ets2, Config) when is_list(Config) ->
Dir = ?config(priv_dir, Config),
EtsDir = join(Dir, "ets_dir2/"),
?line ok = file:make_dir(EtsDir),
[{ets_dir, EtsDir}|Config];
init_per_testcase(size_check_ets3, Config) when is_list(Config) ->
Dir = ?config(priv_dir, Config),
EtsDir = join(Dir, "ets_dir3/"),
?line ok = file:make_dir(EtsDir),
[{ets_dir, EtsDir}|Config];
init_per_testcase(size_check_dets, Config) when is_list(Config) ->
Dir = ?config(priv_dir, Config),
DetsDir = join(Dir, "dets_dir/"),
?line ok = file:make_dir(DetsDir),
[{dets_dir, DetsDir}|Config];
init_per_testcase(size_check_mnesia, Config) when is_list(Config) ->
Dir = ?config(priv_dir, Config),
MnesiaDir = join(Dir, "mnesia_dir/"),
?line ok = file:make_dir(MnesiaDir),
mnesia_start([{dir, MnesiaDir}]),
[{mnesia_dir, MnesiaDir}|Config];
init_per_testcase(cache_test, Config) when is_list(Config) ->
Min = timer:minutes(5),
Timeout =
case lists:keysearch(tc_timeout, 1, Config) of
{value, {tc_timeout, TcTimeout}} when TcTimeout < Min ->
Min;
{value, {tc_timeout, TcTimeout}} ->
TcTimeout;
_ ->
Min
end,
Dog = test_server:timetrap(Timeout),
[{watchdog, Dog} | Config];
init_per_testcase(_Case, Config) when is_list(Config) ->
Config.
end_per_testcase(EtsCase, Config)
when (is_list(Config) andalso
((EtsCase =:= size_check_ets2) orelse
(EtsCase =:= size_check_ets3))) ->
Dir = ?config(ets_dir, Config),
?line ok = ?DEL_DIR(Dir),
lists:keydelete(ets_dir, 1, Config);
end_per_testcase(size_check_dets, Config) when is_list(Config) ->
Dir = ?config(dets_dir, Config),
?line ok = ?DEL_DIR(Dir),
lists:keydelete(dets_dir, 1, Config);
end_per_testcase(size_check_mnesia, Config) when is_list(Config) ->
mnesia_stop(),
Dir = ?config(mnesia_dir, Config),
?line ok = ?DEL_DIR(Dir),
lists:keydelete(mnesia_dir, 1, Config);
end_per_testcase(cache_test, Config) when is_list(Config) ->
Dog = ?config(watchdog, Config),
test_server:timetrap_cancel(Dog),
Config;
end_per_testcase(_Case, Config) when is_list(Config) ->
Config.
%%======================================================================
%% Test case definitions
%%======================================================================
all() ->
cases().
groups() ->
[{size_check, [],
[
size_check_ets1, % Plain ets
size_check_ets2, % ets with a file
size_check_ets3, % ets with a checksummed file
size_check_dets, % Plain dets
size_check_mnesia % Plain mnesia
]
}].
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
cases() ->
[
start_and_stop,
load_unload,
{group, size_check},
me_lookup,
which_mib,
cache_test
].
init_per_suite(Config) when is_list(Config) ->
%% Data dir points wrong
DataDir0 = ?config(data_dir, Config),
DataDir1 = filename:split(filename:absname(DataDir0)),
[_|DataDir2] = lists:reverse(DataDir1),
DataDir = filename:join(lists:reverse(DataDir2) ++ [?snmp_test_data]),
[{snmp_data_dir, DataDir ++ "/"}|Config].
end_per_suite(Config) when is_list(Config) ->
lists:keydelete(snmp_data_dir, 1, Config).
%%======================================================================
%% Test functions
%%======================================================================
start_and_stop(suite) -> [];
start_and_stop(Config) when is_list(Config) ->
Prio = normal,
Verbosity = trace,
?line sym_start(Prio, Verbosity),
?line MibsPid = mibs_start(Prio, Verbosity),
?line mibs_info(MibsPid),
?line mibs_stop(MibsPid),
?line sym_stop(),
ok.
%% ---------------------------------------------------------------------
load_unload(suite) -> [];
load_unload(Config) when is_list(Config) ->
Prio = normal,
Verbosity = log,
MibDir = ?config(snmp_data_dir, Config),
?DBG("load_unload -> start symbolic store", []),
?line sym_start(Prio, Verbosity),
?DBG("load_unload -> start mib server", []),
?line MibsPid = mibs_start(Prio, Verbosity),
?DBG("load_unload -> load one not already loaded mib", []),
?line ok = verify_loaded_mibs(MibsPid, MibDir, []),
?line ok = load_mibs(MibsPid, MibDir, ["Test2"]),
?line ok = verify_loaded_mibs(MibsPid, MibDir, ["Test2"]),
?DBG("load_unload -> load one already loaded mib", []),
?line {error, _} = load_mibs(MibsPid, MibDir, ["Test2"]),
?DBG("load_unload -> load 2 not already loaded mibs", []),
?line ok = load_mibs(MibsPid, MibDir, ["TestTrap", "TestTrapv2"]),
?line ok = verify_loaded_mibs(MibsPid, MibDir,
["Test2", "TestTrap", "TestTrapv2"]),
?DBG("load_unload -> unload one loaded mib", []),
?line ok = unload_mibs(MibsPid, ["Test2"]),
?line ok = verify_loaded_mibs(MibsPid, MibDir, ["TestTrap", "TestTrapv2"]),
?DBG("load_unload -> try unload two loaded mibs and one not loaded", []),
?line {error, _} = unload_mibs(MibsPid, ["TestTrap","Test2","TestTrapv2"]),
?line ok = verify_loaded_mibs(MibsPid, MibDir, ["TestTrapv2"]),
?DBG("load_unload -> unload the remaining loaded mib", []),
?line ok = unload_mibs(MibsPid, ["TestTrapv2"]),
?line ok = verify_loaded_mibs(MibsPid, MibDir, []),
?DBG("load_unload -> stop mib server", []),
?line mibs_stop(MibsPid),
?DBG("load_unload -> stop symbolic store", []),
?line sym_stop(),
ok.
%% ---------------------------------------------------------------------
size_check_ets1(suite) ->
[];
size_check_ets1(Config) when is_list(Config) ->
MibStorage = [{module, snmpa_mib_storage_ets}],
do_size_check([{mib_storage, MibStorage}|Config]).
size_check_ets2(suite) ->
[];
size_check_ets2(Config) when is_list(Config) ->
Dir = ?config(ets_dir, Config),
MibStorage = [{module, snmpa_mib_storage_ets},
{options, [{dir, Dir}]}],
do_size_check([{mib_storage, MibStorage}|Config]).
size_check_ets3(suite) ->
[];
size_check_ets3(Config) when is_list(Config) ->
Dir = ?config(ets_dir, Config),
MibStorage = [{module, snmpa_mib_storage_ets},
{options, [{dir, Dir}, {checksum, true}]}],
do_size_check([{mib_storage, MibStorage}|Config]).
size_check_dets(suite) ->
[];
size_check_dets(Config) when is_list(Config) ->
Dir = ?config(dets_dir, Config),
MibStorage = [{module, snmpa_mib_storage_dets},
{options, [{dir, Dir}]}],
do_size_check([{mib_storage, MibStorage}|Config]).
size_check_mnesia(suite) ->
[];
size_check_mnesia(Config) when is_list(Config) ->
MibStorage = [{module, snmpa_mib_storage_mnesia},
{options, [{nodes, [node()]}]}],
do_size_check([{mib_storage, MibStorage}|Config]).
do_size_check(Config) ->
?DBG("do_size_check -> start", []),
Prio = normal,
Verbosity = trace,
MibStorage = ?config(mib_storage, Config),
?DBG("do_size_check -> MibStorage: ~p", [MibStorage]),
MibDir = ?config(snmp_data_dir, Config),
StdMibDir = filename:join(code:priv_dir(snmp), "mibs") ++ "/",
?DBG("do_size_check -> start symbolic store", []),
?line sym_start(Prio, MibStorage, Verbosity),
?DBG("do_size_check -> start mib server", []),
?line MibsPid = mibs_start(Prio, MibStorage, Verbosity),
Mibs = ["Test2", "TestTrap", "TestTrapv2"],
StdMibs = ["OTP-SNMPEA-MIB",
"SNMP-COMMUNITY-MIB",
"SNMP-FRAMEWORK-MIB",
"SNMP-MPD-MIB",
"SNMP-NOTIFICATION-MIB",
"SNMP-TARGET-MIB",
"SNMP-USER-BASED-SM-MIB",
"SNMP-VIEW-BASED-ACM-MIB",
"SNMPv2-MIB",
"SNMPv2-TC",
"SNMPv2-TM"],
?DBG("do_size_check -> load mibs", []),
?line load_mibs(MibsPid, MibDir, Mibs),
?DBG("do_size_check -> load std mibs", []),
?line load_mibs(MibsPid, StdMibDir, StdMibs),
?SLEEP(2000),
?DBG("do_size_check -> display mem usage", []),
?line display_memory_usage(MibsPid),
?DBG("do_size_check -> unload std mibs", []),
?line unload_mibs(MibsPid, StdMibs),
?DBG("do_size_check -> unload mibs", []),
?line unload_mibs(MibsPid, Mibs),
?DBG("do_size_check -> stop mib server", []),
?line mibs_stop(MibsPid),
?DBG("do_size_check -> stop symbolic store", []),
?line sym_stop(),
?DBG("do_size_check -> done", []),
ok.
%% ---------------------------------------------------------------------
me_lookup(suite) -> [];
me_lookup(Config) when is_list(Config) ->
Prio = normal,
Verbosity = trace,
MibDir = ?config(snmp_data_dir, Config),
StdMibDir = filename:join(code:priv_dir(snmp), "mibs") ++ "/",
Mibs = ["Test2", "TestTrap", "TestTrapv2"],
StdMibs = ["OTP-SNMPEA-MIB",
"SNMP-COMMUNITY-MIB",
"SNMP-FRAMEWORK-MIB",
"SNMP-MPD-MIB",
"SNMP-NOTIFICATION-MIB",
"SNMP-TARGET-MIB",
%% "SNMP-USER-BASED-SM-MIB",
"SNMP-VIEW-BASED-ACM-MIB",
"SNMPv2-MIB",
"SNMPv2-TC",
"SNMPv2-TM"],
?DBG("me_lookup -> start symbolic store", []),
?line sym_start(Prio, Verbosity),
?DBG("me_lookup -> start mib server", []),
?line MibsPid = mibs_start(Prio, Verbosity),
?DBG("me_lookup -> load mibs", []),
?line load_mibs(MibsPid, MibDir, Mibs),
?DBG("me_lookup -> load std mibs", []),
?line load_mibs(MibsPid, StdMibDir, StdMibs),
?DBG("me_lookup -> find ~w from SNMP-COMMUNITY-MIB",
[?snmpTrapCommunity_instance]),
?line ok = me_lookup(MibsPid, ?snmpTrapCommunity_instance),
?DBG("me_lookup -> find ~w from SNMP-VIEW-BASED-ACM-MIB",
[?vacmViewSpinLock_instance]),
?line ok = me_lookup(MibsPid, ?vacmViewSpinLock_instance),
?DBG("me_lookup -> find ~w from SNMP-USER-BASED-SM-MIB",
[?usmStatsNotInTimeWindows_instance]),
?line {error, _} = me_lookup(MibsPid, ?usmStatsNotInTimeWindows_instance),
?DBG("me_lookup -> stop mib server", []),
?line mibs_stop(MibsPid),
?DBG("me_lookup -> stop symbolic store", []),
?line sym_stop(),
ok.
%% ---------------------------------------------------------------------
which_mib(suite) -> [];
which_mib(Config) when is_list(Config) ->
Prio = normal,
Verbosity = trace,
MibDir = ?config(snmp_data_dir, Config),
StdMibDir = filename:join(code:priv_dir(snmp), "mibs") ++ "/",
Mibs = ["Test2", "TestTrap", "TestTrapv2"],
StdMibs = ["OTP-SNMPEA-MIB",
"SNMP-COMMUNITY-MIB",
"SNMP-FRAMEWORK-MIB",
"SNMP-MPD-MIB",
"SNMP-NOTIFICATION-MIB",
"SNMP-TARGET-MIB",
%% "SNMP-USER-BASED-SM-MIB",
"SNMP-VIEW-BASED-ACM-MIB",
"SNMPv2-MIB",
"SNMPv2-TC",
"SNMPv2-TM"],
?DBG("which_mib -> start symbolic store", []),
?line sym_start(Prio, Verbosity),
?DBG("which_mib -> start mib server", []),
?line MibsPid = mibs_start(Prio, Verbosity),
?DBG("which_mib -> load mibs", []),
?line load_mibs(MibsPid, MibDir, Mibs),
?DBG("which_mib -> load std mibs", []),
?line load_mibs(MibsPid, StdMibDir, StdMibs),
?DBG("which_mib -> find ~w from SNMP-COMMUNITY-MIB",
[?snmpTrapCommunity_instance]),
?line ok = which_mib(MibsPid, ?snmpTrapCommunity_instance,
"SNMP-COMMUNITY-MIB"),
?DBG("which_mib -> find ~w from SNMP-VIEW-BASED-ACM-MIB",
[?vacmViewSpinLock_instance]),
?line ok = which_mib(MibsPid, ?vacmViewSpinLock_instance,
"SNMP-VIEW-BASED-ACM-MIB"),
?DBG("which_mib -> find ~w from SNMP-USER-BASED-SM-MIB (not loaded)",
[?usmStatsNotInTimeWindows_instance]),
?line {error, _} = which_mib(MibsPid, ?usmStatsNotInTimeWindows_instance,
"SNMP-USER-BASED-SM-MIB"),
?DBG("which_mib -> stop mib server", []),
?line mibs_stop(MibsPid),
?DBG("which_mib -> stop symbolic store", []),
?line sym_stop(),
ok.
%% ---------------------------------------------------------------------
cache_test(suite) -> [];
cache_test(Config) when is_list(Config) ->
?DBG("cache_test -> start", []),
Prio = normal,
Verbosity = trace,
MibStorage = [{module, snmpa_mib_storage_ets}],
MibDir = ?config(snmp_data_dir, Config),
StdMibDir = filename:join(code:priv_dir(snmp), "mibs") ++ "/",
Mibs = ["Test2", "TestTrap", "TestTrapv2"],
StdMibs = ["OTP-SNMPEA-MIB",
"SNMP-COMMUNITY-MIB",
"SNMP-FRAMEWORK-MIB",
"SNMP-MPD-MIB",
"SNMP-NOTIFICATION-MIB",
"SNMP-TARGET-MIB",
%% "SNMP-USER-BASED-SM-MIB",
"SNMP-VIEW-BASED-ACM-MIB",
"SNMPv2-MIB",
"SNMPv2-TC",
"SNMPv2-TM"],
?DBG("cache_test -> start symbolic store", []),
?line sym_start(Prio, MibStorage, Verbosity),
?DBG("cache_test -> start mib server", []),
GcLimit = 2,
Age = timer:seconds(10),
CacheOpts = [{autogc, false}, {age, Age}, {gclimit, GcLimit}],
?line MibsPid = mibs_start(Prio, MibStorage, [], Verbosity, CacheOpts),
?DBG("cache_test -> load mibs", []),
?line load_mibs(MibsPid, MibDir, Mibs),
?DBG("cache_test -> load std mibs", []),
?line load_mibs(MibsPid, StdMibDir, StdMibs),
?DBG("cache_test -> do a simple walk to populate the cache", []),
?line ok = walk(MibsPid),
{ok, Sz1} = snmpa_mib:which_cache_size(MibsPid),
?DBG("cache_test -> Size1: ~p", [Sz1]),
?DBG("cache_test -> sleep 5 secs", []),
?SLEEP(timer:seconds(5)),
?DBG("cache_test -> perform gc, expect nothing", []),
{ok, 0} = snmpa_mib:gc_cache(MibsPid),
?DBG("cache_test -> sleep 10 secs", []),
?SLEEP(timer:seconds(10)),
?DBG("cache_test -> perform gc, expect GcLimit", []),
GcLimit1 = GcLimit + 1,
{ok, GcLimit1} = snmpa_mib:gc_cache(MibsPid, Age, GcLimit1),
Sz2 = Sz1 - GcLimit1,
{ok, Sz2} = snmpa_mib:which_cache_size(MibsPid),
?DBG("cache_test -> Size2: ~p", [Sz2]),
?DBG("cache_test -> enable cache autogc", []),
?line ok = snmpa_mib:enable_cache_autogc(MibsPid),
?DBG("cache_test -> wait 65 seconds to allow gc to happen", []),
?SLEEP(timer:seconds(65)),
Sz3 = Sz2 - GcLimit,
{ok, Sz3} = snmpa_mib:which_cache_size(MibsPid),
?DBG("cache_test -> Size3: ~p", [Sz3]),
?DBG("cache_test -> "
"wait 2 minutes to allow gc to happen, expect empty cache", []),
?SLEEP(timer:minutes(2)),
{ok, 0} = snmpa_mib:which_cache_size(MibsPid),
?DBG("cache_test -> stop mib server", []),
?line mibs_stop(MibsPid),
?DBG("cache_test -> stop symbolic store", []),
?line sym_stop(),
ok.
walk(MibsPid) ->
MibView = snmpa_acm:get_root_mib_view(),
do_walk(MibsPid, ?snmpTrapCommunity_instance, MibView),
do_walk(MibsPid, ?vacmViewSpinLock_instance, MibView),
do_walk(MibsPid, ?usmStatsNotInTimeWindows_instance, MibView),
do_walk(MibsPid, ?tDescr_instance, MibView).
do_walk(MibsPid, Oid, MibView) ->
io:format("do_walk -> entry with"
"~n Oid: ~p"
"~n", [Oid]),
case snmpa_mib:next(MibsPid, Oid, MibView) of
{table, _, _, #me{oid = Oid}} ->
ok;
{table, _, _, #me{oid = Next}} ->
do_walk(MibsPid, Next, MibView);
{variable, #me{oid = Oid}, _} ->
ok;
{variable, #me{oid = Next}, _} ->
do_walk(MibsPid, Next, MibView)
end.
%%======================================================================
%% Internal functions
%%======================================================================
%% -- Mnesia functions
mnesia_start(Opts) ->
mnesia_start(Opts, [node()]).
mnesia_start(Opts, Nodes) ->
?DBG("mnesia_start -> load mnesia", []),
?line ok = application:load(mnesia),
F = fun({Key, Val}) ->
?DBG("mnesia_start -> set mnesia env: ~n~p -> ~p", [Key,Val]),
?line application_controller:set_env(mnesia, Key, Val)
end,
lists:foreach(F, Opts),
?DBG("mnesia_start -> create mnesia schema on ~p", [Nodes]),
?line ok = mnesia:create_schema(Nodes),
?DBG("mnesia_start -> start mnesia", []),
?line ok = application:start(mnesia),
ok.
mnesia_stop() ->
?DBG("mnesia_stop -> stop mnesia", []),
application:stop(mnesia),
?DBG("mnesia_stop -> unload mnesia", []),
application:unload(mnesia),
ok.
%% - Symbolic Store mini interface
sym_start(Prio, Verbosity) ->
sym_start(Prio, mib_storage(), Verbosity).
sym_start(Prio, MibStorage, Verbosity) ->
Opts = [{mib_storage, MibStorage}, {verbosity,Verbosity}],
{ok, _Pid} = snmpa_symbolic_store:start_link(Prio, Opts),
ok.
sym_stop() ->
ok = snmpa_symbolic_store:stop().
sym_info() ->
snmpa_symbolic_store:info().
%% -- MIB server mini interface
mibs_start(Prio, Verbosity) when is_atom(Prio) andalso is_atom(Verbosity) ->
mibs_start(Prio, mib_storage(), [], Verbosity).
mibs_start(Prio, MibStorage, Verbosity)
when is_atom(Prio) andalso is_atom(Verbosity) ->
mibs_start(Prio, MibStorage, [], Verbosity).
mibs_start(Prio, MibStorage, Mibs, Verbosity)
when is_atom(Prio) andalso
is_list(Mibs) andalso
is_atom(Verbosity) ->
mibs_start(Prio, MibStorage, Mibs, Verbosity, []).
mibs_start(Prio, MibStorage, Mibs, Verbosity, CacheOpts)
when is_atom(Prio) andalso
is_list(Mibs) andalso
is_atom(Verbosity) andalso
is_list(CacheOpts) ->
Opts = [{mib_storage, MibStorage},
{verbosity, Verbosity},
{cache, CacheOpts}],
{ok, Pid} = snmpa_mib:start_link(Prio, Mibs, Opts),
Pid.
mibs_stop(Pid) ->
ok = snmpa_mib:stop(Pid).
mibs_info(Pid) ->
snmpa_mib:info(Pid).
load_mibs(Pid, Dir, Mibs0) ->
Mibs = [join(Dir, Mib) || Mib <- Mibs0],
snmpa_mib:load_mibs(Pid, Mibs).
unload_mibs(Pid, Mibs) ->
snmpa_mib:unload_mibs(Pid, Mibs).
verify_loaded_mibs(Pid, Dir, ExpectedMibs0) ->
ExpectedMibs = [join(Dir, Mib) || Mib <- ExpectedMibs0],
case snmpa_mib:info(Pid, loaded_mibs) of
ExpectedMibs ->
ok;
LoadedMibs0 ->
?DBG("verify_loaded_mibs -> LoadedMibs0: ~p", [LoadedMibs0]),
LoadedMibs = [filename:rootname(FN, ".bin") || FN <- LoadedMibs0],
?DBG("verify_loaded_mibs -> LoadedMibs: ~p", [LoadedMibs]),
ExpNotLoadedMibs = ExpectedMibs -- LoadedMibs,
LoadedNotExpMibs = LoadedMibs -- ExpectedMibs,
?DBG("verify_loaded_mibs -> "
"~n ExpNotLoadedMibs: ~p"
"~n LoadedNotExpMibs: ~p",
[ExpNotLoadedMibs, LoadedNotExpMibs]),
case ExpNotLoadedMibs of
[] ->
case LoadedNotExpMibs of
[] ->
ok;
_ ->
{error, {unexpected_loaded_mibs, LoadedNotExpMibs}}
end;
_ ->
case LoadedNotExpMibs of
[] ->
{error, {not_loaded_mibs, ExpNotLoadedMibs}};
_ ->
{error, {unexpected_mibs,
ExpNotLoadedMibs, LoadedNotExpMibs}}
end
end
end.
me_lookup(Pid, Oid) ->
case snmpa_mib:lookup(Pid, Oid) of
{variable, #me{oid = Oid}} ->
ok;
{variable, #me{oid = OtherOid}} ->
case lists:reverse(Oid) of
[0|Rest] ->
case lists:reverse(Rest) of
OtherOid ->
ok;
AnotherOid ->
{error, {invalid_oid, Oid, AnotherOid}}
end;
_ ->
{error, {invalid_oid, Oid, OtherOid}}
end;
{table_column, _ME, _TableEntryOid} ->
ok;
{subagent, SubAgentPid, _SANextOid} ->
{error, {subagent, SubAgentPid}};
{false, Reason} ->
{error, Reason};
Else ->
{error, Else}
end.
which_mib(Pid, Oid, Mib1) ->
case snmpa_mib:which_mib(Pid, Oid) of
{ok, Mib2} when is_atom(Mib2) ->
Mib3 = atom_to_list(Mib2),
which_mib(Mib1, Mib3);
{ok, Mib2} ->
which_mib(Mib1, Mib2);
{error, Reason} ->
{error, Reason};
Else ->
{error, Else}
end.
which_mib(M, M) ->
ok;
which_mib(M1, M2) ->
{error, {invalid_mib, M1, M2}}.
%% Default mib-storage
mib_storage() ->
[{module, snmpa_mib_storage_ets}].
%% --
display_memory_usage(MibsPid) ->
SymInfo = sym_info(),
SymProcSize = key1search(process_memory, SymInfo),
DbSize = key1search(db_memory, SymInfo),
MibsInfo = mibs_info(MibsPid),
TreeSize = key1search(tree_size_bytes, MibsInfo),
MibsProcMem = key1search(process_memory, MibsInfo),
MibDbSize = key1search([db_memory,mib], MibsInfo),
NodeDbSize = key1search([db_memory,node], MibsInfo),
TreeDbSize = key1search([db_memory,tree], MibsInfo),
?INF("Symbolic store memory usage: "
"~n Process memory size: ~p"
"~n Db size: ~p"
"~n"
"~nMib server memory usage: "
"~n Tree size: ~p"
"~n Process memory size: ~p"
"~n Mib db size: ~p"
"~n Node db size: ~p"
"~n Tree db size: ~p"
"~n",
[SymProcSize, DbSize,
TreeSize, MibsProcMem, MibDbSize, NodeDbSize, TreeDbSize]).
key1search([], Res) ->
Res;
key1search([Key|Keys], List) when is_atom(Key) andalso is_list(List) ->
case lists:keysearch(Key, 1, List) of
{value, {Key, Val}} ->
key1search(Keys, Val);
false ->
undefined
end;
key1search(Key, List) when is_atom(Key) ->
case lists:keysearch(Key, 1, List) of
{value, {Key, Val}} ->
Val;
false ->
undefined
end.
join(Dir, File) ->
filename:join(Dir, File).
